Movie fans notice hilarious major blunder in The Abyss

Movie fans have just realised there's a huge blunder in James Cameron's The Abyss, and once you see it, you can't unsee it.

In a clip posted to Twitter, a huge tidal wave is heading towards the beach, however, while most people are running away, one guy in the corner is using his impending doom as a chance to pull his friend's swimming trunks down one last time.

In the theatrical release, the scene was reportedly cropped so you could only see the motion from the tops of their heads.

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